Books by Chŏng-hwa Kim
Hyŏndae sup'il ŭi ap'oria
Hyŏndae sup'il ŭi ap'oria
Yŏsŏnghak kangŭi
Yŏsŏnghak kangŭi
Sae egenŭn kil i ŏpta
Sae egenŭn kil i ŏpta
Qi cai xia yu tian
Kosi hyŏngsik ŭi palgyŏn
Kosi hyŏngsik ŭi palgyŏn
Nae ka pon Chosŏn, Chosŏnin
Nae ka pon Chosŏn, Chosŏnin
강 경애 연구
강 경애 연구
Chayŏnkwa kyosupŏp
Chayŏnkwa kyosupŏp
On the determination of planar graphs